R Krell. (1996). FAO agricultural services bulletin N.124: Value-added products from beekeeping. Rome: FAO.
Παραπομπή Chicago StyleR Krell. FAO Agricultural Services Bulletin N.124: Value-added Products From Beekeeping. Rome: FAO, 1996.
Παραπομπή MLAR Krell. FAO Agricultural Services Bulletin N.124: Value-added Products From Beekeeping. Rome: FAO, 1996.
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